REFERRED JOURNAL ARTICLES:

Gulizia, J.P., A.D. McConnell, R.E. Strobeck, C.M. Broadwater, E.G. Guzman, C.T. Simoes, J.R. Hernandez, W.J. Pacheco, and K.M. Downs. 2024. Applied Research Note: The impact of retention time during the conditioning process of a broiler starter diet on performance, apparent metabolizable energy, and apparent ileal digestibility of nutrients. Journal of Applied Poultry Research 33:100435  https://doi.org/10.1016/j.japr.2024.100435

Downs, K.M., and J.P. Gulizia. 2024. Applied Research Note: a perspective study to assess key traits and competencies important to poultry industry management personnel. Journal of Applied Poultry Research 33:100392. https://doi.org/10.1016/j.japr.2023.100392

Downs, K.M., J.P. Gulizia, G.R. Harder, E.K. Stafford, S.J. Sasia, and W.J. Pacheco. 2023. Corn particle size variation effects on broiler performance, organ weights, and nutrient digestibility during the early growout period (day 1 to 21). J. Appl. Poul. Res. 32:100327. https://doi.org/10.1016/j.japr.2022.100327

Hernandez, J.R., J.P. Gulizia, J.B. Adkins, M.S. Rueda, S.I. Haruna, W.J. Pacheco, and K.M. Downs. 2022. Effect of phytase level and form on broiler performance, tibia characteristics, and residual fecal phytate phosphorus in broilers from 1 to 21 days of age. Animals 12, 1952.  https://doi.org/10.3390/ani12151952

Downs, K.M., J.P. Gulizia, E.K. Stafford, and W.J. Pacheco. 2022. Influence of varying dietary kudzu leaf meal particle size on performance, breast weight, and organ weight of broiler chickens from 1 to 21 days of age. Poultry 1, 30-39. https://doi.org/10.3390/poultry1010004 

Mitchell-Fostyk, B., S. Haruna, and K.M. Downs. 2021. Variability of soil thermal properties along a catena in Middle Tennessee, USA. Int. Agrophys. 35:209-219. https://doi.org/10.31545/intagr/140079 

Gulizia, J.P. and K.M. Downs. 2021. The effects of feed color on broiler performance between day 1 and 21. Animals 11, 1511.  https://doi.org/10.3390/ani11061511

Gulizia, J.P., K.M. Downs. 2020. Comparison of dietary kudzu leaf meal (Pueraria montana var. lobata) and alfalfa meal supplementation effect on broiler (Gallus gallus domesticus) performance, carcass characteristics, and organ parameters. Animals 10, 147. https://doi.org/10.3390/ani10010147

Gulizia, J.P., K.M. Downs. 2019. A review of kudzu's use and characteristics as potential feedstock. Agriculture 9, 220. https://doi.org/10.3390/agriculture9100220

Gulizia, J.P., K.M. Downs, and S. Cui. 2019. Kudzu (Pueraria montana var. lobata) age variability effects on total and nutrient-specific in situ rumen degradation. J. Appl. Anim. Res. 47(1):433-439. https://doi.org/10.1080/09712119.2019.1652615

Downs, K.M., R.J. Lien, J.B. Hess, S.F. Bilgili, W.A. Dozier, III, 2006. The effects of photoperiod length, light intensity, and feed energy on growth responses and meat yield of broilers. J. Appl. Poult. Res. 15:406-416. https://doi.org/10.1093/japr/15.3.406 

Downs, K.M., R.A. Norton, J.B. Hess, and K.S. Macklin, 2004. Micronutrient strategies for the control of cellulitis in broilers. Nutrition Abstracts and Reviews: Series B Livestock Feeds and Feeding 74:33N-37N.

Downs, K.M. and J.E. Mehlhorn, 2003. A cooperative poultry research project to enhance critical thinking, problem-solving, and research skills. NACTA J. 47(4):51-55.

Downs, K.M., J.P. Blake, J.B. Hess, R.A. Norton, A. Kalinowski, A. Corzo, and C.M. Parsons, 2003. Suitability of a dehydrated poultry mortality-soybean meal product for use in broiler chicken diets. J. Appl. Poult. Res. 12:222-228. https://doi.org/10.1093/japr/12.2.222 

Downs, K.M., R.A. Norton, K.S. Macklin, and J.B. Hess, 2003. Potential of vitamin E and zinc-amino acid complex for the reduction of cellulitis in broilers. J. Appl. Anim. Res. 23:25-32. https://doi.org/10.1080/09712119.2003.9706765 

Downs, K.M., J.B. Hess, and R.A. Norton, 2002. Micronutrients and meat quality. J. Anhui Technical Teachers College 16:29-31.

Hess, J.B., S.F. Bilgili, A.M. Parson, and K.M. Downs, 2001. Influence of complexed zinc products on live performance and carcass grade of broilers. J. Appl. Anim. Res. 19:49-60. https://doi.org/10.1080/09712119.2001.9706709 

Downs, K.M., J.B. Hess, and S.F. Bilgili, 2000. Selenium source effect on broiler carcass characteristics, meat quality, and drip loss. J. Appl. Anim. Res. 18:61-72. https://doi.org/10.1080/09712119.2000.9706324 

Downs, K.M., W.E. Kunkle, T.T. Marshall, B.A. Reiling, and J.V. Yelich, 2000. Effect of laidlomycin propionate on beef bull growth performance and reproductive development. J. Appl. Anim. Res. 18:137-147. https://doi.org/10.1080/09712119.2000.9706335 

Downs, K.M., J.B. Hess, K.S. Macklin, and R.A. Norton, 2000. Dietary zinc complexes and vitamin E for reducing cellulitis incidence in broilers. J. Appl. Poult. Res. 9:319-323. https://doi.org/10.1093/japr/9.3.319 

Marshall, T.T., T.S. Hoover, B.A. Reiling, and K.M. Downs, 1998. Experiential learning in the animal sciences: effect of 13 years of a beef cattle management practicum. J. Anim. Sci. 76:2947-2952. https://doi.org/10.2527/1998.76112947x 

RECENT ABSTRACTS:

Downs, K.M., R.E. Strobeck, C.M. Broadwater, J.P. Gulizia, and J.G. Carter. 2024. Cropping methodology and ensiling time influence rumen degradability of corn silage. J. Dairy Sci. 105 (Suppl. 1)

Strobeck, R.E., A.D. McConnell, C.M. Broadwater, J.P. Gulizia, W.J. Pacheco, and K.M. Downs. 2023. The impact of retention time during the conditioning process of a starter diet on broilers grown to 21 days. Poultry Sci. 102 (E-suppl. 1):108-109.

McConnell, A.D., R.E. Strobeck, J.P. Gulizia, W.J. Pacheco, and K.M. Downs. 2022. Assessing retention time during the conditioning process of a starter diet fed from day 1 to 21 and the impact on broiler performance. Poultry Sci. 101 (E-suppl. 1):53

McConnell, A.D., J.P. Gulizia, E.K. Stafford, M.N. Beel, R.S. Fibus, C.E. Gregory, J.P. Latham, K.M. Downs, and W.J. Pacheco. 2022. An assessment of feed color effects on broiler performance parameters during the starter phase. Poultry Sci. 101 (E-suppl. 1):105.

Gulizia, J.P., J.B. Adkins, K.M. Downs, S.I. Haruna, and W.J. Pacheco. 2022. Influence of phytase level and form on residual phytate phosphorus in broiler manure. Proc. XXVI World’s Poultry Congress 2021. 117.

Gulizia, J.P. and K.M. Downs. 2021. Stimulatory feed color effects on performance of high growth rate broilers. Proc. XXVI World’s Poultry Congress 2021. 1:190.

Stafford, E.K., G.R. Harder, K.M. Downs, J.P. Gulizia, S.J. Sasia, and W.J. Pacheco. 2021. Effects of varying corn particle size on broiler performance and organ development from 1 to 21 days of age. Poultry Sci. 100 (E-suppl. 1):109-110.

Harder, G.R, E.K. Stafford, K.M. Downs, J.P. Gulizia, S.J. Sasia, and W.J. Pacheco. 2021. Assessing dietary corn particle size influences on broilers grown from 1 to 21 days of age. Poultry Sci. 100 (E-suppl. 1):206.

Adkins, J.B., J.P. Gulizia, K.M. Downs, and S. Cui. 2021. Assessing in situ rumen degradability of late season kudzu (Pueraria montana var. lobata). J. Anim. Sci. 99 (Suppl 3):350.

Adkins, J.B., K.M. Downs, J.P. Gulizia, M.S. Lastres, and W.J. Pacheco. 2021. Effect of phytase level and form on broiler performance from 1 to 21 days of age. Poultry Sci. 100 (E-suppl. 1):12 (M34).

Stafford, E.K., K.M. Downs, J.P. Gulizia, and W.J. Pacheco. 2021. Influence of varying kudzu leaf meal particle sizes added to a broiler diet. Poultry Sci. 100 (E-suppl. 1):47 (P33).

Scott, J.D., K.M. Downs, J.P. Gulizia. 2021. What is the poultry industry really seeking in college graduates?: A perspective study to assess key traits and competencies important to poultry industry management personnel. Poultry Sci. 100 (E-suppl. 1):36 (P1).

Gulizia, J. and K. Downs. 2020. Color of feed effects on performance of high growth rate broilers. Poultry Sci. 99 (E-suppl. 1):98

Gulizia, J., K. Downs, and S. Cui. 2019. The influence of kudzu (Pueraria montana var. lobata) age on in situ rumen degradation. J. Anim. Sci. 97 (Suppl. 1):38 (Abstr) https://doi.org/10.1093/jas/skz053.085

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Let's Squawk About It (S3 E1): Coloring Poultry Feed Part 2, Poultry Science Association, March 2022, https://youtu.be/kyV8WNYFaA8

Let's Squawk About It (S2 E7): Coloring Poultry Feed, Poultry Science Association, August 2021, https://youtu.be/GzDSBFi-X1M

Downs, K.M., Gulizia, J.P., Scott, J.D., 2021. Preparing the next generation of poultry science graduates. WATTPoultryUSA 22(6):36-38.
June 2021 - https://www.wattpoultryusa-digital.com/wattpoultryusa/library/

“True Blue (and Purple) Chicken Feed,” MTSU ‘On the Record’ (Roots Radio WMOT 89.5), July 2021

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